Sure. There's a fanfiction where Harry is secretly a descendant of Rowena Ravenclaw. This leads to a whole new set of adventures as he uncovers his heritage and the powers that come with it. It has a great plot twist when it's revealed that a certain dark wizard has been after his bloodline all along.
Yes. There's a fanfiction where the rifle is actually a cursed object that was once used by a dark wizard. But when Harry touches it, it turns into a powerful weapon against the dark forces. It has a plot twist where the rifle seems to be leading Harry astray at first, but in the end, it's the key to victory.
Sure. 'Twisted Jealousy' is a great one. In this fanfic, it turns out that the jealousy is being magically influenced by a dark charm placed on them. The way they figure it out and deal with it is really unique.
A fanfiction that has a unique plot twist is one where Ron and Hermione accidentally switch bodies. This leads to all sorts of comical and also deep - thinking situations as they have to understand each other's perspectives in a very literal way. They also have to keep it a secret from Harry and the others at Hogwarts.
One unique 'Harry Potter guitar fanfiction' could be that the guitar was a gift from Dumbledore to Ginny. But it turns out that the guitar has the ability to open a portal to a time - locked dimension where the founders of Hogwarts are still alive. Ginny, with her love for music and adventure, enters the portal and has to convince the founders to help Hogwarts in its current crisis. The guitar is the key to getting back as well as the means to communicate with the founders.
In a particular fanfiction, the disease seems to target only pure - blood wizards. This causes a huge uproar in the wizarding community as they suspect it's a plot by Muggle - borns. But later it's revealed that the real cause is a magical artifact that was activated by accident. The plot twist lies in the fact that the solution is not about blood purity but about restoring the balance of an ancient magic that the artifact disrupted. It's a great exploration of the themes of prejudice and unity in the HP world.
Sure. 'The Unforeseen Path to Sirius's Freedom' has a unique plot twist. Just when Harry thinks he has found the perfect way to free Sirius, he discovers that there is a hidden enchantment on Azkaban that makes it impossible to use normal escape methods. So, he has to find an ancient spell to break it. This adds a whole new layer of mystery and adventure to the story.
A really interesting 'Harry Potter' funny fanfic with plot twists is the one where the time - turner Hermione used actually sends her and Harry back to the time of the Founders of Hogwarts. The humor comes in as they try to fit in and use their modern - day magic in a very different era. There are plot twists like when they accidentally change the house colors and the sorting system. Also, they end up befriending a young Slytherin who is nothing like the Slytherins they know, and this young Slytherin helps them get back to their own time in a very unexpected way.
Well, there's 'Harry's Juvie Revelation'. In the beginning, it seems like a typical story of Harry in juvie, but then it takes a sharp turn when it's revealed that Harry's time in juvie was all part of a prophecy. He was meant to be there to learn certain life lessons that would make him a stronger wizard. This twist completely changes the perspective of the whole story and makes it a very interesting read.
There's a fanfic where Peter Pettigrew is actually a double agent. He fakes his loyalty to Voldemort to gain information for the Order of the Phoenix. The plot twist comes when everyone discovers his true intentions and has to re - evaluate their view of him.
Sure. There's a fanfic where New York is suddenly the center of a time - warp that links it to Hogwarts in the past. Harry and his friends have to navigate through this strange phenomenon to stop an ancient evil that was sealed away in both locations. The plot twist comes when they realize that the key to solving the problem lies in a long - forgotten prophecy made by an American seer.